倒计时 JS代码

<div class='texs' id='js-alert-box'>
<a href='/'>
<div class='alert-sec-text' id='js-sec-text' style='display:inline-block'></div>
<div id='js-alert-head' style='display:inline-block;vertical-align: top;'></div>
</a>
</div>

<script type='text/javascript'>
function alertSet(e) {
    document.getElementById("js-alert-box").style.display = "block",
    document.getElementById("js-alert-head").innerHTML = e;
    var t = 20,
    n = document.getElementById("js-sec-circle");
    document.getElementById("js-sec-text").innerHTML = t,
    setInterval(function() {
        if (0 == t){
location.href="https://healthandfitnesspin.blogspot.com/";
}else {
            t -= 1,
            document.getElementById("js-sec-text").innerHTML = t;
            var e = Math.round(t / 10 * 735);
            n.style.strokeDashoffset = e - 735
        }
    },
    970);
}
</script>

<script>alertSet('s Continue');</script>